package com.wzk.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //创建ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("defaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器
        /*
            anno:不认证也可以访问
            authc:必须认证后才可访问
            user:必须拥有记住我功能才能用
            perms:指定资源需要哪些权限才可以访问
            role:拥有某个角色权限才能访问
         */
        //拦截
        Map<String, String> filterChainDefinitionMap = new LinkedHashMap<>();

        //授权
        filterChainDefinitionMap.put("/user/add","perms[user:add]");
        filterChainDefinitionMap.put("/user/update","perms[user:update]");

//        filterChainDefinitionMap.put("/user/add","authc");
//        filterChainDefinitionMap.put("/user/update","authc");
        filterChainDefinitionMap.put("/user/*","authc");

        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //设置未授权页面
        bean.setUnauthorizedUrl("/noAuth");
        bean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return bean;
    }


    //创建DefaultWebSecurityManager:2
    @Bean(name = "defaultWebSecurityManager")
    public DefaultWebSecurityManager  getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象，需要自定义:1
    @Bean
    public UserRealm userRealm(){
        return  new UserRealm();
    }
}
